Practice using Method 2 for the second problem. Let f (x) = x2 + 1 and g (x) = x - 2. Evaluate (g ∘ f) (0).

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Mathematics

Kaylee Mcclain

1 April, 12:50

Practice using Method 2 for the second problem. Let f (x) = x2 + 1 and g (x) = x - 2. Evaluate (g ∘ f) (0).

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Jakobe Leonard · Answer 1

(g o f) (0) = -1

substitute the equation f (x) for the value of x in the equation g (x)

(g o f) (x) = (2x+1) - 2

Then substitute the given x value, 0

(g o f) (0) = (2 (0) + 1) - 2

(g o f) (0) = 1-2

(g o f) (0) = -1